Scientific Measurement

Front

This refers to how close the measurement is to the true or accepted value.

Back

accuracy

Front

This refers to how close a group of measurements are to each other.

Back

precision

Front

What is the base unit for measuring volume?

Back

liters

Front

What is the formula for DENSITY?

Back

D=M/V

Front

Density of an object with mass 8.0 g and volume 25 cm³?

Back

0.32 g/cm³

Front

The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?

Back

1.54 x 10^-10 m

Front

The expression of 5008 km in scientific notation is: 5.008 x 10³ km, 50.08 X 10^-4 km, 5.008 x 10^-3 km, 5.008 x 10⁴ km

Back

5.008 x 10³ km

Front

Which of the following measurements is expressed to three significant figures? Options: 0.007 m, 7077 mg, 7.30 x 10^-7 km, 0.070 mm

Back

7.30 x 10^-7 km

Front

How many significant figures are in the measurement 40,500 mg?

Back

three

Front

What is the measurement 111.009 mm rounded off to four significant digits?

Back

111.0 mm